Best Free Sales Intelligence Software of 2025

People Data Labs provides B2B data to developers, engineers and data scientists. It provides a dataset with resume, contact, demographic, and social information for more than 1.5 billion unique individuals. PDL data can be used for building products, enriching profiles, and enabling AI and predictive modeling. APIs are used to deliver it to developers. PDL only works for legitimate businesses, whose products aim to improve the lives of people. Its data is crucial for companies who are forming data departments, and focusing on the acquisition of data. These companies require clean, rich and compliant data on individuals to protect themselves.

With a robust collection of over 706 million contacts, we equip your sales team with valuable insights. Our records include direct dial numbers and email addresses, ensuring you have access to over 706 million current and precise B2B contact entries. We offer extensive information on job roles, achievements, professional history, educational background, online mentions, and links to social media profiles. Want to know who your prospect's supervisor is? Or who their colleagues are? Our data set provides these answers and much more at your disposal. We prioritize ethical data sourcing and do not resort to scanning your emails for names or numbers. Our practices comply with the latest privacy regulations, including the California Consumer Privacy Act (CCPA) and other international laws. We are committed to safeguarding our clients’ personal information while collecting data in full alignment with all relevant legal standards.

HubSpot is an AI-powered customer platform with all the software, integrations, and resources you need to connect your marketing, sales, and customer service. HubSpot's connected platform enables you to grow your business faster by focusing on what matters most: your customers. HubSpot CRM is more than just a tool. It's the lifeblood of your business. Our CRM is the ultimate solution to empower your team to create deeper customer relationships. It transforms how you interact with your clients. It offers a seamless integrated platform for sales and marketing, as well as customer service. HubSpot CRM gives you unparalleled insight into your customer interactions. It's all organized in a simple, intuitive dashboard that will increase the efficiency of your team. Our platform is designed to grow with your business, providing scalable solutions to adapt to changing business needs. HubSpot CRM also offers a robust, free version that is packed with essential features. This makes it the ideal choice for ambitious businesses. HubSpot CRM is the future of customer management. Every interaction with customers is an opportunity to grow. Get a demo to learn about our premium software, or get started with our full suite of free tool.

Nimbler provides salespeople and marketers access to millions of verified business contacts, including personal and work emails that are validated in real time and even mobile numbers. You can easily find prospects based on many filters such as job title, seniority, department, industry and location. Our data is verified in real-time, so that your outbound emails reach the right customers. Nimbler is free to use and gives you unlimited access to high-quality leads and user seats.

ReachStream is the B2B data partner you can trust. Find qualified prospects by exporting our datasets, and initiating contact. Schedule meetings, optimize outbound strategies, and create robust campaigns. Use data-driven approaches to increase your pipeline and convert valuable clients. Explore new markets and reach out to new customers worldwide. Discover prospects who fit your ideal buyer profiles. Create data-driven campaigns to maximize engagement and value. Find the best candidates by searching LinkedIn for their profiles, job titles, and personal contact information. Lists of top candidates can be generated to include in your campaign and establish direct communication. Save time and effort on passive job listings and resumes. Engage top talent with personalized, insight-driven outreach.

GetEmail.io uses Big Data & Artificial Intelligence to find any email address on Earth. Our tool searches for the email address of any person on Earth by entering his first and last names, as well as the domain name of the company. We "scanned" many websites to find the email format used by millions of companies. Next, we create the professional email address for the prospect you wish to contact. This method is very simple, but it saves you a lot of time. It would take you approximately 5 minutes to find an address manually, but it takes just a few seconds with GetEmail. GetEmail saves you 2 hours per day if you search 20 email addresses per hour! GetEmail.io offers 2 Google Chrome Extensions, one for LinkedIn, and another one for Gmail/Outlook/Salesforce.

Kixie: Smarter Calling & Texting for Revenue Teams Kixie is the AI-powered sales engagement platform that helps teams connect faster, close more deals, and scale effortlessly—all while keeping it personal. 🔥 Outbound Sales: Boost connection rates up to 400% with AI-powered Local Presence, Multi-Line PowerDialer, and Spam Risk Prevention. 🚀 Marketing: Automate calls & texts for instant follow-ups and high-converting outreach—without the manual work. 📞 Inbound Sales & CS: Handle more calls with smart CRM-based routing, shared SMS inboxes, and instant auto-replies. 📊 RevOps & Leadership: Get AI-driven insights, real-time coaching tools, and advanced analytics to level up your team. 💥 Supercharge your sales team today! Visit our website to get started for free, no credit card required.

Lead411 provides company intelligence and accurate contact data with direct dials and email addresses. It also offers a sales cadence tool that automates your email/sms outreach.

Your customers have high expectations. Companies that can deliver personalized, fast and easy buying experiences are the ones that will succeed in a world that is increasingly on-demand and instant. Drift can help you with this. Drift combines chat, video, and automated to remove friction from business buying. Drift allows you to have conversations with potential customers on your terms. Drift is used by over 50,000 businesses today to increase revenue, reduce sales cycles, and make purchasing easy.

BookYourData is a B2B prospecting hub which has revolutionized how businesses access and use contact data. Since our launch in 2015, BookYourData has empowered over 20,000 customers worldwide with a vast database of over 100,000,000 direct B2B contact information. What makes us different? Our unparalleled 95% accuracy guarantee. We are proud of our extensive reach, which covers 200+ countries. We also provide a variety of search criteria. Our platform is flexible. It can handle everything from web technologies to ABM. But that's just the beginning. We have created specialized categories based on the specialties of healthcare professionals and a segment dedicated to real estate agents. BookYourData's comprehensive approach means that, no matter what your industry or need is, BookYourData will be your trusted partner in providing efficient and precise B2B contact solutions. Experience the difference when you dive into a world full of opportunities.

Maximize revenue, increase sales and acquire your total addressable market. Find 1000 companies in the U.S. with 50 employees or more that use Salesforce OR Marketo. Next, find 25 contacts per company (25,000 total), that have directors or higher with the titles of sales, marketing, or IT. Include perfect emails, direct dials, and insights for all accounts and contacts. Once you have completed the upload, please exclude any contacts from our CRM and remove them from Salesforce. Artificial intelligence validates emails for all your ideal accounts and contacts. Artificial intelligence validates your phone numbers for all your ideal accounts and contacts. You can quickly build lists of the most profitable contacts. Quickly create lists of your most lucrative accounts. Our proprietary sales AI search engine allows you to research millions of accounts and contacts.

ZoomInfo is a leading business intelligence platform that provides companies with comprehensive data and insights about businesses, professionals, and market trends. It helps organizations streamline their sales, marketing, and recruitment efforts by offering detailed profiles, contact information, and firmographics for millions of companies and decision-makers. ZoomInfo leverages AI-driven analytics and data mining to deliver actionable insights, helping businesses identify new opportunities, optimize outreach, and make informed decisions. With tools for lead generation, account management, and sales prospecting, ZoomInfo is widely used by sales and marketing teams to accelerate growth, improve targeting, and enhance customer engagement.

HubSpot's sales software will notify you when a lead opens an email. You can also track every interaction and organize all of your activities in one place. Start free and grow as you go. HubSpot's sales tools make it easy to save time at all stages of the funnel. You can queue up personalized reminders and follow-up emails that are automatically delivered at the right time. You can turn repetitive emails into templates, track their performance, and share the top ones with your entire team. You will be notified when prospects open an email, click on a link or open an attachment. This will allow you to follow up with the most important leads quickly and efficiently. You can connect with prospects via live chat on your website. This will eliminate back-and-forth emails and missed calls. Send a link to let leads choose a time that suits them both. Automate manual entry by automatically logging every lead's contact information, email opens and clicks. Automate tedious tasks such as lead rotation.

Hunter enables you to quickly discover professional email addresses, facilitating connections with key individuals for your business. Its Domain Search feature generates a comprehensive list of employees working at a specific company, complete with their names and email addresses sourced from the web. With an extensive database of over 100 million indexed email addresses, alongside effective search filters and deliverability assessments, this tool stands out as Hunter's most advanced email discovery option. Simply enter a name to retrieve the verified or most likely email address associated with that individual. Additionally, you can find confirmed email addresses or receive a confidence score represented as a percentage. You have the option to save any email to your leads, export them, or seamlessly integrate them into your preferred CRM system. Each email comes with links to public sources for verification and information on the latest discovery dates. Whether you are looking to reach out to professionals individually or in bulk, the Email Finder utilizes numerous signals to quickly identify the verified or most likely email address of anyone in mere seconds, ensuring you have the tools needed to expand your network efficiently.

Apollo is the platform for your entire end-to-end sales strategy. Sellers and marketers use Apollo to discover more customers in market, connect with contacts, and establish a modern go-to-market strategy.

Crunchbase stands out as the premier platform enabling professionals to uncover groundbreaking companies, engage with their founders, and explore potential opportunities. With a community of over 55 million users—including entrepreneurs, investors, market analysts, and sales representatives—Crunchbase is a trusted resource that guides crucial business decisions. Globally, organizations depend on our services, making more than a billion API calls annually. We hold a strong belief that embracing diversity not only leads to the identification of innovative solutions but also highlights existing challenges that require resolution. Our mission is to make opportunities more accessible, empowering individuals and businesses from various backgrounds to drive forward-thinking innovation for a brighter future. Crunchbase Pro caters to those seeking comprehensive data on companies, investors, and funding through our intuitive web interface, offering tools such as advanced search capabilities, customizable lists, tailored alerts, and CSV exports—ideal for sales professionals, entrepreneurs, market researchers, and investors alike. By fostering an inclusive environment, Crunchbase aims to enrich the entrepreneurial ecosystem and inspire collaboration among diverse talent.

Greetings! I'm Norbert, and I specialize in locating email addresses for individuals. Amplify your outreach by connecting with key decision-makers and cultivating meaningful relationships. Create comprehensive lists of relevant contacts to enhance your networking efforts. Seek out top talent and deliver tailored messages when the timing is optimal. Identify influential reporters to generate excitement for your latest product or feature. Engage with blogs, establish backlinks, connect with writers, and distribute your content effectively. Email remains the premier channel for nurturing enduring relationships with vital figures in your industry. Scale your efforts to acquire corporate emails of influential decision-makers, fostering better connections. Ensure you validate emails in real-time to communicate with actual individuals and protect your sender reputation. Enrich your contact database to engage prospects with precise messaging, delivered in the most effective manner. You’ll have immediate access to a reliable and current database of B2B contacts, empowering your outreach strategies. This capability can significantly enhance your business relationships and open new avenues for collaboration.

Leadfeeder's B2B website visitor tracking tool and lead generation tool allows businesses to track anonymous website visitors and convert them into qualified sales leads. Leadfeeder can be integrated with existing CRMs such as HubSpot, Pipedrive and Salesforce. It also integrates with email marketing tools such as Mailchimp or ActiveCampaign to increase sales intelligence. Leadfeeder has over 45,000 users worldwide and is THE sales & Marketing tool of choice to enhance lead generation efforts. The 14-day trial is free and you don't need a credit card. You can start immediately.

Keep a close watch on the companies that are significant to you by accessing exclusive insights on more than 13 million public and private firms, thanks to the Owler community. Uncover potential partnerships that can enhance your business by utilizing filters for industry, location, revenue, employee size, and other criteria. Dive into a wealth of over 40 million competitive connections to pinpoint the key players that deserve your attention. Stay updated on the companies that interest you by following them, and receive tailored news and real-time alerts to keep you informed. With specific companies in mind, you can utilize Owler's news alerts to gain foresight into developments that may influence your strategies. Additionally, monitor public sentiment surrounding your brand, keep track of competitors, and stay informed about industry happenings that can affect your operations. Streamline your efforts by focusing on actionable insights regarding the companies in your pipeline, ultimately allowing you to spend more time on selling and less on sifting through irrelevant information. By harnessing these resources, you can make more informed decisions and enhance your overall business strategy.

RocketReach eliminates the time-intensive process of building a contact list through manual data collection. You get a first-degree connection to over 700 million professionals across 35 million companies around the world with the largest, most accurate database of emails and direct dials. The platform requires no downloads, no installation, and no updating making RocketReach simple to quote and deploy. Their browser extension turns your web browser into an instant phone and email lookup engine. Find emails through LinkedIn, Crunchbase, and more with the click of a button. The bulk lookup feature makes it easy to find contact info for multiple contacts at once. RocketReach also offers integrations with Hubspot, Salesforce, Outreach, Salesloft, and thousands of other applications through Zapier. You can even integrate the platform directly into your own application with their intuitive API. RocketReach is constantly improving. They are more accurate, more complete, more intelligent, and more exhaustive than the other platforms. Trusted by over 11 million users and 95% of the S&P 500, this is the ideal tool for marketing, sales, and recruiting teams.

AeroLeads allows you to quickly find an email address and create an email list for your business. Register to AeroLeads to get our free Chrome plugin. LinkedIn Search (or CrunchBase AngelList, Xing, etc.) will allow you to search for people. Use our chrome extension to add the relevant leads or prospects to AeroLeads. AeroLeads will locate their business email addresses along with company URL, job title and location. This data will be displayed on your default prospects page in AeroLeads. You can search for business emails on LinkedIn or upload your name and company to find emails. You can find as many as 15 data points such as full name, job title and location, as well as generic company emails. You can export the data to CSV, or transfer it to Salesforce, HubSpot CRM and Pipedrive, Zoho CRM. FreshSales, Zapier, and other CRMs with just one click.

Adapt.io is a powerful B2B lead intelligence platform that simplifies prospecting and data enrichment for sales and marketing teams. It offers a vast database of over 250 million contacts and 12 million company profiles, providing accurate contact information such as direct dials and email addresses to help users connect with decision-makers across various industries. The platform features advanced filtering tools that enable users to create highly targeted lists based on criteria like industry, job title, location, and company size. It also integrates seamlessly with popular CRM systems and includes a Chrome extension for real-time access to data while browsing LinkedIn or company websites. Adapt.io uses robust verification processes to ensure data accuracy, reducing bounce rates and increasing campaign effectiveness. It caters to organizations of all sizes, from startups to large enterprises, helping them save time and resources during lead generation efforts. By empowering teams with actionable insights, Adapt.io enables businesses to strengthen their outreach strategies, improve conversions, and drive sustainable growth.

People respond twice as fast to emails than Linkedin messages. They also reply in 85% less time. Our AI engine can find emails for 75% in the west. This is two times more than any other competitor. Our Chrome extension works with LinkedIn and Github and helps you find email addresses and phone numbers. Connect with the people your business needs. All your saved leads are available in one place. You can organize candidates into folders and share them with your team. One click export to Excel or ATS. ContactOut's search portal allows you to find candidates instantly. You can perform unlimited searches and find candidates who are not listed on Linkedin. Engage with less effort. Use our reusable templates to send emails while browsing LinkedIn. Contact multiple people at once, and follow up automatically. One of the key features that set ContactOut apart from its competitors is its seamless integration with LinkedIn, allowing users to effortlessly find personal email addresses and phone numbers of potential candidates directly from their LinkedIn profiles. The platform's impressive coverage of over 75% of professionals working in developed countries not only ensures an expansive reach but also helps users stay up-to-date.

MassContacts offers a meticulously organized database containing over 50 million active professionals and resumes, designed to enhance your lead generation, marketing strategies, and recruitment processes. With its sophisticated filtering options, you can effortlessly identify ideal prospects and candidates. This platform stands out as the most cost-effective and user-friendly contact database and CV search tool available today, making it an essential resource for businesses looking to grow. By leveraging this extensive database, you can streamline your outreach efforts and find the right talent more efficiently than ever before.

Utilize our job title search feature to identify your perfect customer, even if you lack their name. If you're looking to target numerous prospects simultaneously, take advantage of our file upload tool which allows you to retrieve hundreds of email addresses in one go. We provide a variety of tutorials designed to assist you in generating more leads for your enterprise. Unlike many email finders, we only charge for emails that have been verified as unlikely to bounce. Other services may provide questionable results and still bill you for them; we do not operate that way. You pay only for emails that are 100% verified. Our email discovery process involves scanning billions of web pages and conducting server validation. By leveraging our finding system, extensive database, and strategic partnerships, we've created an impressive network that delivers results. You can upload a file containing up to 50,000 entries, and we will source their email addresses, allowing you to focus on other important tasks or even enjoy a coffee break. Additionally, our straightforward REST API enables you to quickly and efficiently access emails by name, job title, or domain, and to validate existing addresses. This streamlined approach ensures that you can maximize your outreach efforts without unnecessary hassle.